Machine for burnishing the heels of boots and shoes



(ModeL) G. L. NEWTON.

Machine for Burnishing the Heels of Boots and Shoes.

No. 229,168. Pat'ented lune 22,1880.

IVifnesss: I Inventor:

N4 PETERS, FHOTO-IJTHOGRAPNER WASNKNG'TON. D O.

UNITED STATES PATENT OFFIcE.

GEORGE L. NEWTON, OF HAVERHILL, MASSACHUSETTS.

MACHINE FOR BURNISHING THE HEELS OF BOOTS AND SHOES.

SPECIFICATION forming part of Letters Patent No. 229,168, dated June 22, 1880.

Application filed March 31, 1880. (Model) To all whom it may concern:

Be it known that I, GEORGE L. NEWTON, of Haverhill, in the county of Essex and State of Massachusetts, have invented an Improve ment in Machines for Bnrnishing the Heels of Boots and Shoes; and I do hereby declare that the following is a full and exact description thereof, reference being had to the ac companying drawings, making part of this specification.

My improvement is upon that part of a heel burnishing or polishing machine termed the jack; or by which the boot or shoe is clamped in the machine and held in position while subjecting the edges of the heel-lifts to the action of the burnishing tool or part of the machine. It is especially applicable to the Tapley heelburnishing machine, and machines of that class in which the burnisher travels around the heel and is pressed with the force of a strong spring against the same, as exemplified in Letters Patent Nos. 113,658 and 169,884; but it may be applied to any machine wherein the boot or shoe is held by a clamp pressed against the inside of the boot or shoe opposite to the heel. Heretofore the head or face of the clamp, which presses against the inside of the boot or shoe and holds it upon the heelseat of the jack, has been that of a simple fixed head attached to the end of a sliding spindle or bar without adjustment thereon; and as it has to be used with boots and shoes of many different sizes and having heels of various shapes, it does not afford sufficient support of the heels and back part of the boots and shoes against the powerful pressure of the burnishing-tool, since it does not fit closely back in the shoe or boot to hold that part firmly in position.

My improvement consists in a clamp head or form having a shape approximating to that of the interior of a boot or shoe next to the back, and not too large to enter all sizes to be placed thereon for burnishing, the said head or form having a lateral self-adjusting movement on its spindle or holder, and arranged to yield in position and spring close into the back part of the boot or shoe, so as to hold it very firmly in position, and also having a selfadjusting movement around the axis of its spindle or holder, to adapt itself to the required position of the boot or shoe in the heelseat of the machine.

Referring to the accompanying drawings, Figure 1 represents a side view of the clamp spindle or holder of a heel-burnishing machine and my improved adjustable clamp-head mounted thereon; Fig. 2, a central longitudinal vertical section thereof; Fig. 3, a back view of the clamp head or form, the back part of the spindle or holder being removed; Fig. 4, a section of the same in a plane indicated by the line 00 m, Fig. 1.

Like letters designate corresponding parts in all of the figures.

In the drawings, A represents the sliding spindle or holder to which heretofore the clamp-head has been rigidly attached.

By my improvement I apply a collar or swiveling part, B, to the end of the spindle or holder, the end of the spindle fitting therein, as at a, so as to allow the collar to turn or swivel thereon, and the two parts are or may be held togetherby means of a peripheral groove, b, in the tenon of the spindle, into which enters the inner end of a screw or coupling-pin, c,

inserted into one side of the collar; or the eX- tension part B may enter the bored or tubular end of the spindle as an equivalent of the construction above described.

Upon the end of the collar or swiveling part B is a head or enlargement, d, which fits in an interior oblong socket or Way, f, in the clamp head or form C, so as to allow the latter to have a vertical sliding movement on the spindle or holder, and yet be retained firmly in its upright position thereon, the arrangement of the spindie in the kind of machines referred to above being horizontal. A neck, 9, with parallel sides on the collar B, slides also in a narrow way or slot, h, in the back of the head or form continuous with the socket f, and thus the form 0 has a free vertical adjusting movement while being held securely on the spindle.

As an efficient and convenient means of introducing the head d of the spindle or of its collarinto the socket f of the clampform, I make the said form in two parts, t I, each containing a part of the socketjand slot h, the

two parts being'united'by screws m m, ortheir equivalent. The forms of the two parts as I have made them are indicated by their lines of connection y y and z 2, Fig. 3.

The lateral or vertical movement of the clam pform on the spindle allows it to adapt itself in position so as to fit close back in each boot or shoe, of whatever size or of whatever shape or position of the heel thereon, so that it will fit the heel-seat of the machine also, the tnrninor swiveling movement of the form on the spindle completing its capability ofself-adjustment in the boot or shoe when the latter is in position. Thus the boot or shoe is held firmly to the burnisliiing-tool,and is not liable to break down, bend over, or the heellifts to crack apart. In order to make this adjusting movement of the clamp head or form automatic and complete, I apply a spring, D, thereto in such a manner as to push the form with some force up into the back of the boot or shoe when elamp ing it in the machine. As represented, it is simply a flat spring, secured at one end to the spindlecollar B, at 42, some distance from the form, while the free end bears against the upper wall of the neckslot hill the form, as shown. The swiveling collar B on the spindle allows this arrangement of the spring without interfering with the free turning of the form on its axis; but a coiled or other form of the spring D might be employed, to be located in the form 1. In a boot and shoe heel burnishing ma- I chine, a laterally movable clamp or form, 0,111 combination with the jack-spindle A, substantially as and for the purpose herein specified.

'2. The combination of the laterally-movable clamp head or form C, jack-spindle A, and spring D, substantially as and for the purpose herein specified.

3. The combination of the jack-spindle A, turning collar B, and laterally-movable clamp head or form C, substantially as and for the purpose herein specified.

4. The socketed clamp head or form 0, formed in two parts, i l, in combination with the collar B, having the head 61, substantially as and for the purpose herein specified.

The foregoing specification signed by me this 18th day of March, 1880.

GEORGE L. NEWTON.

Witnesses:

DUDLEY F. STEVENS, IRA L. TENNANT. 

